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<?php preg_match("/^(-?\w+)-?{1}/", "about-us-office-",$matches); print_r($matches); echo "\n"; preg_match("%^(\w+)\-\w+?$%", "about-us",$matches); print_r($matches);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 12 in /in/CIseJ on line 2 Array ( [0] => about-us [1] => about )

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